Issue 34, 2013
From the journal:

Journal of Materials Chemistry A

Polymerised high internal phase ionic liquid-in-oil emulsions as potential separators for lithium ion batteries†

Natasha Shirshova,*a   Patrik Johansson,b   Maciej J. Marczewski,b   Emilia Kot,a   David Ensling,c   Alexander Bismarck*ad  and  Joachim H. G. Steinkee  

* Corresponding authors

a Polymer and Composite Engineering (PaCE) Group, Department of Chemical Engineering, Imperial College London, South Kensington Campus, London, UK
E-mail: n.shirshova@imperial.ac.uk, a.bismarck@imperial.ac.uk
Tel: +44 (0)20 7594 5578

b Department of Applied Physics, Chalmers University of Technology, SE-41296 Göteborg, Sweden

c Varta Microbattery GmbH, Daimlerstr. 1, 73479 Ellwangen, Germany

d Polymer and Composite Engineering (PaCE) Group, Institute of Materials Chemistry & Research, Faculty of Chemistry, University of Vienna, Währingerstr. 42, A-1090 Vienna, Austria
E-mail: alexander.bismarck@univie.ac.at

e Department of Chemistry, Imperial College London, South Kensington Campus, London, UK

Abstract

In situ ionic liquid (IL) filled poly(merized) high internal phase emulsion monoliths and films were produced by polymerizing surfactant stabilized IL/monomer emulsion templates. The resulting in situ ionic liquid filled macroporous polymers have almost the ionic conductivity of the neat ionic liquid electrolyte. The effect of surfactant and lithium salt concentration, monomer to crosslinker ratio as well as internal phase volume ratio on the morphology and ionic conductivity were studied. It was found that the morphology of the resulting polyHIPEs affects significantly their ionic conductivity. PolyHIPEs with bigger pore throats have a higher ionic conductivity.

Graphical abstract: Polymerised high internal phase ionic liquid-in-oil emulsions as potential separators for lithium ion batteries

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Article information

DOI
https://doi.org/10.1039/C3TA10856B
Article type
Communication
Submitted
28 Feb 2013
Accepted
12 Jul 2013
First published
12 Jul 2013

J. Mater. Chem. A, 2013,1, 9612-9619

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Polymerised high internal phase ionic liquid-in-oil emulsions as potential separators for lithium ion batteries

N. Shirshova, P. Johansson, M. J. Marczewski, E. Kot, D. Ensling, A. Bismarck and J. H. G. Steinke, J. Mater. Chem. A, 2013, 1, 9612 DOI: 10.1039/C3TA10856B

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